forked from 1b-agent/opencadstudio-upstream
aliases: import AutoCAD PGP files and support UCS-follow workflows
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Pictus08 committed
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//! AutoCAD PGP interoperability. Never interpret external-command definitions.
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use std::collections::BTreeMap;
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/// UTF-8 (including BOM), or the Windows-1252 encoding used by legacy acad.pgp.
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pub(super) fn decode(bytes: &[u8]) -> String {
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if let Ok(text) = std::str::from_utf8(bytes) {
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return text.trim_start_matches('\u{feff}').to_owned();
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}
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const HIGH: [char; 32] = [
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'€', '\u{81}', '‚', 'ƒ', '„', '…', '†', '‡', 'ˆ', '‰', 'Š', '‹', 'Œ', '\u{8d}', 'Ž', '\u{8f}',
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'\u{90}', '‘', '’', '“', '”', '•', '–', '—', '˜', '™', 'š', '›', 'œ', '\u{9d}', 'ž', 'Ÿ',
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];
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bytes.iter().map(|&b| match b {
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0x80..=0x9f => HIGH[(b - 0x80) as usize],
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_ => char::from(b),
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}).collect()
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}
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/// Last definition wins, as in AutoCAD's user-defined aliases section.
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/// Accept OpenCAD's optional star too, but reject all multi-field shell rows.
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pub(super) fn parse(body: &str) -> BTreeMap<String, String> {
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let mut aliases = BTreeMap::new();
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for line in body.trim_start_matches('\u{feff}').lines() {
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let line = line.split(';').next().unwrap_or("").trim();
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let Some((alias, target)) = line.split_once(',') else { continue };
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let alias = alias.trim().to_uppercase();
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let target = target.trim().strip_prefix('*').unwrap_or(target.trim()).trim().to_uppercase();
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if alias.is_empty() || target.is_empty() || target.contains(',')
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|| alias.chars().any(char::is_whitespace) || target.chars().any(char::is_whitespace) {
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continue;
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}
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aliases.insert(alias, target);
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}
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aliases
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}
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/// Translate command names, never alias keys (e.g. the user's E means FILLET).
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pub(super) fn canonical(target: &str) -> String {
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let target = target.trim_start_matches(['_', '.']);
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let (prefix, name) = target.strip_prefix('-').map_or(("", target), |s| ("-", s));
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let name = match name {
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"LINEA" => "LINE", "POL" | "POLILINEA" => "PLINE", "3DPOL" => "3DPOLY",
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"CIRCULO" => "CIRCLE", "ARCO" => "ARC", "RECTANG" => "RECTANG",
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"ELIPSE" => "ELLIPSE", "POLIGONO" => "POLYGON", "ARANDELA" => "DONUT",
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"PUNTO" => "POINT", "COPIA" => "COPY", "DESPLAZA" => "MOVE",
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"DESFASE" => "OFFSET", "GIRA" => "ROTATE", "SIMETRIA" => "MIRROR",
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"ESCALA" => "SCALE", "ESTIRA" => "STRETCH", "RECORTA" => "TRIM",
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"ALARGA" => "EXTEND", "EMPALME" => "FILLET", "CHAFLAN" => "CHAMFER",
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"BORRA" => "ERASE", "DESCOMP" => "EXPLODE", "JUNTAR" | "UNIR" => "JOIN",
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"PARTE" => "BREAK", "PARTIRENPUNTO" => "BREAKATPOINT", "MATRIZ" => "ARRAY",
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"ALINEAR" => "ALIGN", "LONGITUD" => "LENGTHEN", "EDITPOL" => "PEDIT",
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"SOMBREA" => "HATCH", "EDITSOMB" => "HATCHEDIT", "CONTORNO" => "BOUNDARY",
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"CAPA" => "LAYER", "CAMBCAPAMULT" => "LAYMCH", "IGUALARPROP" => "MATCHPROP",
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"PROPIEDADES" => "PROPERTIES", "CAMBIA" => "CHANGE", "TIPOLIN" => "LINETYPE",
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"GROSORLIN" => "LWEIGHT", "ESCALATL" => "LTSCALE",
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"TEXTO" => "TEXT", "TEXTOM" => "MTEXT", "EDITARTEXTO" => "TEXTEDIT",
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"EDITTXTM" => "MTEDIT", "ESTILO" => "STYLE", "BUSCAR" => "FIND",
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"BLOQUE" => "BLOCK", "BLOQUEDISC" => "WBLOCK", "MODBLQ" => "BEDIT",
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"ATRDEF" => "ATTDEF", "ATREDIT" => "ATTEDIT", "ATREXT" => "ATTEXT",
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"ACOALINEADA" => "DIMALIGNED", "ACOANGULO" => "DIMANGULAR",
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"ACOLINEAL" => "DIMLINEAR", "ACORADIO" => "DIMRADIUS",
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"ACODIAMETRO" => "DIMDIAMETER", "ACOCOORDENADA" => "DIMORDINATE",
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"ACOLINEABASE" => "DIMBASELINE", "ACOCONTINUA" => "DIMCONTINUE",
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"ACOESTIL" => "DIMSTYLE", "ACOEDIC" => "DIMEDIT", "ACOTEDIC" => "DIMTEDIT",
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"DIRECTRIZ" => "LEADER", "DIRECTRIZR" => "QLEADER",
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"SCP" => "UCS", "ADMINSCP" => "UCSMAN", "VISTA" => "VIEW",
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"VISTADIN" => "DVIEW", "3DORBITA" => "3DORBIT", "3DCARA" => "3DFACE",
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"ENCUADRE" => "PAN", "REDIBUJA" => "REDRAW", "REDIBT" => "REDRAWALL",
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"REGENERA" => "REGEN", "REGENT" => "REGENALL", "OCULTA" => "HIDE",
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"ABRE" => "OPEN", "NUEVO" => "NEW", "GUARDAR" => "QSAVE",
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"GUARDARCOMO" => "SAVEAS", "TRAZAR" => "PLOT", "IMPORTAR" => "IMPORT",
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"EXPORTAR" => "EXPORT", "EXPORTARPDF" => "EXPORTPDF", "OPCIONES" => "OPTIONS",
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"UNIDADES" => "UNITS", "PARAMSDIB" => "DSETTINGS", "DIST" => "DIST",
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"LIST" => "LIST", "EXTRUSION" => "EXTRUDE", "REVOLUCION" => "REVOLVE",
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"INTERSEC" => "INTERSECT", "DIFERENCIA" => "SUBTRACT", "REGION" => "REGION",
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"ORDENAOBJETOS" => "DRAWORDER", "IMAGEN" => "IMAGE",
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"ENLAZARIMG" => "IMAGEATTACH", "DELIMITARIMG" => "IMAGECLIP",
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"AJUSTARIMG" => "IMAGEADJUST", "REFX" => "XREF",
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"ESPACIOM" => "MSPACE", "ESPACIOP" => "PSPACE", "VMULT" => "MVIEW",
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"REFENT" => "OSNAP", "PEGAESP" => "PASTESPEC", "CERPROP" => "PROPERTIESCLOSE",
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"PREVISUALIZAR" => "PREVIEW", "LIMPIA" => "PURGE", "RENOMBRA" => "RENAME",
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"MODIVAR" => "SETVAR", "MODOSOMBRA" => "SHADEMODE", "SECCION" => "SECTION",
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"CORTE" => "SLICE", "FORZCURSOR" => "SNAP", "ORTOGRAFIA" => "SPELL",
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"EDITSPLINE" => "SPLINEDIT", "TOLERANCIA" => "TOLERANCE", "TOROIDE" => "TORUS",
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"PTOVISTA" => "VPOINT", "CUÑA" => "WEDGE", "LINEAX" => "XLINE",
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"ENLAZARX" => "XATTACH", "UNIRX" => "XBIND", "DELIMITARX" => "XCLIP",
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"TABLA" => "TABLE", "ESTILOTABLA" => "TABLESTYLE", "MARCAREV" => "REVCLOUD",
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"CERRARBLOQUE" => "BCLOSE", "EDITARBLOQUE" => "BEDIT", "GUARDARBLOQUE" => "BSAVE",
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"ACOARCO" => "DIMARC", "ACORECODO" => "DIMJOGGED", "DEGRADADO" => "GRADIENT",
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"RECUPDIBUJO" => "RECOVER", "CALCURAPIDA" => "QUICKCALC", "ESTADOVISBLOQUE" => "BVSTATE",
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"SIMETRIA3D" => "MIRROR3D", "DESPLAZA3D" => "3DMOVE", "GIRA3D" => "3DROTATE",
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"ESCALA3D" => "3DSCALE", "ALINEAR3D" => "3DALIGN", "CAMARA" => "CAMERA",
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"CILINDRO" => "CYLINDER", "REFEXTERNAS" => "EXTERNALREFERENCES", "GEOPLANA" => "FLATSHOT",
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"POLISOLIDO" => "POLYSOLID", "PIRAMIDE" => "PYRAMID", "PLANOSECCION" => "SECTIONPLANE",
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"ESTILVISUAL" => "VISUALSTYLES", "ESTVISACTUAL" => "VSCURRENT", "EDITATRINSITU" => "ATTIPEDIT",
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"EXTRACDAT" => "DATAEXTRACTION", "ESTADOCAPAS" => "LAYERSTATE", "LUZPUNTUAL" => "POINTLIGHT",
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"DIRECTRIZM" => "MLEADER", "ESTILDIRECTRIZM" => "MLEADERSTYLE", "EDITARDIRECTRIZM" => "MLEADEREDIT",
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"ALINDIRECTRIZM" => "MLEADERALIGN", "COLECDIRECTRIZM" => "MLEADERCOLLECT",
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"MEDIRGEOM" => "MEASUREGEOM", "PARAMETROS" => "PARAMETERS", "TIPOPUNTO" => "PTYPE",
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"ALINEARTEXTO" => "TEXTALIGN", "ENLAZARNUBEPUNTOS" => "POINTCLOUDATTACH",
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"RECORTANUBEPUNTOS" => "POINTCLOUDCLIP", "QUITA" => "REMOVE",
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"ACOCENTRO" => "DIMCENTER", "ACOREMPLAZAR" => "DIMOVERRIDE", "GRADUA" => "MEASURE",
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"LINEAM" => "MLINE", "GRUPO" => "GROUP", "FILTRO" => "FILTER",
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"UNION" => "UNION", "INSERTOBJ" => "INSERTOBJ",
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_ => name,
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};
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format!("{prefix}{name}")
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn user_overrides_and_external_commands() {
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let rows = parse("\u{feff}; header\r\nB,*BORRA\r\nNOTEPAD, START NOTEPAD,1,*File:,\nB,*BUSCAR ; custom\nE,*EMPALME\nBAD,*LINE,extra\nL,LINE\n");
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assert_eq!(rows.len(), 3);
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assert_eq!(canonical(&rows["B"]), "FIND");
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assert_eq!(canonical(&rows["E"]), "FILLET");
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assert_eq!(rows["L"], "LINE");
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}
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#[test]
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fn localized_targets_and_prefixes() {
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for (input, expected) in [("_LINE", "LINE"), ("._-CAPA", "-LAYER"),
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("COPIA", "COPY"), ("SCP", "UCS"), ("AECCUNKNOWN", "AECCUNKNOWN")] {
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assert_eq!(canonical(input), expected);
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}
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}
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#[test]
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fn legacy_encoding_and_utf8_bom() {
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assert_eq!(decode(b"; par\xe1metros\nL,*LINEA"), "; parámetros\nL,*LINEA");
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assert_eq!(decode("\u{feff}L,*LINEA".as_bytes()), "L,*LINEA");
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}
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}
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